Home / 7,419.04-11,131.29-3,471.57

Finding the Fourth Proportional to 7,419.04, 11,131.29 and 3,471.57

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Solution

The fourth proportional to 7,419.04, 11,131.29 and 3,471.57 is: 5,208.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.04 : 11,131.29 = 3,471.57 : x
  2. Step 2: Convert to fraction form
    7,419.04/11,131.29 = 3,471.57/x
  3. Step 3: Cross multiply
    7,419.04x = 11,131.29 × 3,471.57
  4. Step 4: Simplify right side
    7,419.04x = 38,643,052.43
  5. Step 5: Solve for x
    x = 38,643,052.43/7,419.04
  6. Step 6: Final answer
    x = 5,208.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.